Compare 620978 vs 620981

Property	620978	620981
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	2¹ × 310489¹	620981¹
Prime factorization	2 × 310489	620981
Divisors count	4	2
Divisors	1, 2, 310489, 620978	1, 620981
Number of properties	1	4
Chen primes		19866th
Isolated primes		39721st
Primes		50688th
Semiprimes	133146th
Sophie germain primes		5171st
Roman numberals
Base 2	10010111100110110010₂	10010111100110110101₂
Base 3	1011112211012₃	1011112211022₃
Base 4	2113212302₄	2113212311₄
Base 5	124332403₅	124332411₅
Base 6	21150522₆	21150525₆
Base 7	5164301₇	5164304₇
Base 8	2274662₈	2274665₈
Base 9	1145735₉	1145738₉
Base 10	620978₁₀	620981₁₀
Base 11	394606₁₁	394609₁₁
Base 12	25b442₁₂	25b445₁₂
Base 13	189857₁₃	18985a₁₃
Base 14	122438₁₄	12243b₁₄
Base 15	c3ed8₁₅	c3edb₁₅
Base 16	979b2₁₆	979b5₁₆